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1反铁电爆电换能电源研究显示文摘为了建立铁电 反铁电相变中释放的电能量与外加作用力场的关系 ,采用电滞回线、等静压和热释电等方法测量了Pb(Zr ,Ti)O3基反铁电材料在电场、温度、压力等外场诱导下的铁电 反铁电相变性能 ,分析了在电容和电阻负载条件下的电输出特性 实验结果表明 :铁电 反铁电相变中的输出功率与材料面电荷量的平方成正比 ,与实现相变的时间成反比 .在此基础上提出了增加输出功率的途径 .通过改善材料电滞回线的方直比 。冯玉军 徐卓 郑曙光 金安 姚熹 2002西安交通大学学报2002,36,6:7
2Effect of temperature on phase transition behavior of antiferroelectric (Pb_(0.97)La_(0.02) )(Zr_(0.75)Sn_(0.25-x)Ti_x)O_3 ceramics显示文摘Pb0:97La0:02(Zr0:75Sn0:25x Ti x/O3(x D0.10, 0.105, 0.11)(PLZST) antiferroelectric ceramics with highly preferred-(110) orientation were successfully fabricated via the conventional solid-state reaction method.The antiferroelectric nature of PLZST ceramics induced by electric field was demonstrated by the dielectric constant-temperature(D-T) and the polarization-electric field(P-E) measurement. Typical phase transition from ferroelectric(FE) to antiferroelectric(AFE), and then to paraelectric(PE) is obtained. The results indicate that the phase transition behavior is suppressed with increasing of x, and T c is remarkably shifted to higher temperature of168 ℃, 170 ℃ and 174 ℃, respectively. Besides, high phase transition current(110 6A, 810 7A and 610 7A, respectively) is obtained with temperature induced. Consequently, the excellent electric properties and the restraint between temperature and electric field would provide basis on the application of PLZST antiferroelectric ceramics in microelectronic integrated systems and sophisticated weapons systems.陈婷婷 刘冰 丑修建 刘俊 薛晨阳 张文栋 2014Journal of Semiconductors2014,35,3:0
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